Nowadays to know if a sterile man has any chance to have some sperm in his testis, perform a testicle biopsy is the only way to have this diagnostic, so that a fertilization in vitro may be tempted.
In a about one year, pessimistically in a maximum of two, will be launched in the market a test that identifies biomarkers in sperm, that predict the possibility of sperm cells in the testes, which will dispense the biopsy aimed to collect sperm.
You may see the original article published by BBC News:
Dor de cabeça ao fazer sexo.
Há 2 semanas